EP2806227B1 - Système de commande de conditionnement d'air - Google Patents

Système de commande de conditionnement d'air Download PDF

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Publication number
EP2806227B1
EP2806227B1 EP12865567.7A EP12865567A EP2806227B1 EP 2806227 B1 EP2806227 B1 EP 2806227B1 EP 12865567 A EP12865567 A EP 12865567A EP 2806227 B1 EP2806227 B1 EP 2806227B1
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EP
European Patent Office
Prior art keywords
air
adjustment
assessment
property
control
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP12865567.7A
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German (de)
English (en)
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EP2806227A1 (fr
EP2806227A4 (fr
Inventor
Nanae Kinugasa
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Daikin Industries Ltd
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Daikin Industries Ltd
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Publication of EP2806227A4 publication Critical patent/EP2806227A4/fr
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F24F11/46—Improving electric energy efficiency or saving
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F24F11/46—Improving electric energy efficiency or saving
    • F24F11/47—Responding to energy costs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/50—Control or safety arrangements characterised by user interfaces or communication
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/50—Control or safety arrangements characterised by user interfaces or communication
    • F24F11/54—Control or safety arrangements characterised by user interfaces or communication using one central controller connected to several sub-controllers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B15/00—Systems controlled by a computer
    • G05B15/02—Systems controlled by a computer electric
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • H02J3/12—Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load
    • H02J3/14—Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load by switching loads on to, or off from, network, e.g. progressively balanced loading
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/50—Control or safety arrangements characterised by user interfaces or communication
    • F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/10—Temperature
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2310/00—The network for supplying or distributing electric power characterised by its spatial reach or by the load
    • H02J2310/10—The network having a local or delimited stationary reach
    • H02J2310/12—The local stationary network supplying a household or a building
    • H02J2310/14—The load or loads being home appliances
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2310/00—The network for supplying or distributing electric power characterised by its spatial reach or by the load
    • H02J2310/50—The network for supplying or distributing electric power characterised by its spatial reach or by the load for selectively controlling the operation of the loads
    • H02J2310/56—The network for supplying or distributing electric power characterised by its spatial reach or by the load for selectively controlling the operation of the loads characterised by the condition upon which the selective controlling is based
    • H02J2310/58—The condition being electrical
    • H02J2310/60—Limiting power consumption in the network or in one section of the network, e.g. load shedding or peak shaving
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
    • Y02B70/3225—Demand response systems, e.g. load shedding, peak shaving
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/20—End-user application control systems
    • Y04S20/222—Demand response systems, e.g. load shedding, peak shaving
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/20—End-user application control systems
    • Y04S20/242—Home appliances
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/20—End-user application control systems
    • Y04S20/242—Home appliances
    • Y04S20/244—Home appliances the home appliances being or involving heating ventilating and air conditioning [HVAC] units

Definitions

  • the present invention relates to an air conditioning control system.
  • Patent Literature 1 Japanese Laid-open Patent Application No. 2011-193577
  • an object of the present invention is to provide an air conditioning control system in which after an adjustment of the consumed energy amount has been performed, the timing of performing the next adjustment of the consumed energy amount can be appropriately established.
  • An air conditioning control system comprises a control apparatus (120) for performing adjustment controls including a first adjustment control and a next adjustment control for controlling the air conditioners by limiting an operating capability of each air conditioner so that the consumed energy amount of the air conditioners is adjusted in the adjustment time period, the control apparatus (120) having a communication part (121), a timer part (122), a meter value acquisition part (123c) acquiring data pertaining to the consumed energy amount and a storage part (124); and an assessment apparatus (130) for assessing, after the adjustment time period, a possible amount of the next adjustment control on the basis of one or more environmental parameters of an air conditioned space, said one or more environmental parameter including a temperature in the air conditioned space, wherein the assessment apparatus (130) has:a space restoration assessment part (133a) for making individual assessments, which are assessments of the possible amount of the next adjustment control on the basis of the one or more environmental parameters for each air conditioned space when there are a plurality of air conditioned spaces in the property; and a property restoration assessment part (133
  • the property restoration assessment part assesses the possible amount of the next adjustment control in the overall assessment, on the basis of the possible amount of the next adjustment control as assessed in the individual assessments.
  • the possible amount of the next adjustment control as assessed in the individual assessments is for the air conditioned spaces that have high priority within the property.
  • the air conditioning control system if air conditioned spaces that have high priority within the property are restored, it is assessed that the next adjustment control can be performed. It is thereby possible to perform adjustment control without waiting for all of the air conditioned spaces to be restored. Therefore, after the consumed energy amount adjustment has been performed, an appropriate timing for performing the next consumed energy amount adjustment can be established.
  • the property restoration assessment part assesses the possible amount of the next adjustment control in the overall assessment, on the basis of the possible amount of the next adjustment control as assessed in the individual assessments.
  • the possible amount of the next adjustment control as assessed in the individual assessments is for a predetermined percentage of the air conditioned spaces within the property.
  • the air conditioning control system if a predetermined percentage of the air conditioned spaces within the property are restored, it is assessed that the next adjustment control can be performed. It is thereby possible to perform adjustment control without waiting for all of the air conditioned spaces to be restored. Therefore, after the consumed energy amount adjustment has been performed, an appropriate timing for performing the next consumed energy amount adjustment can be established.
  • the property restoration assessment part assesses the possible amount of the next adjustment control in the overall assessment, on the basis of the possible amount of the next adjustment control as assessed in the individual assessments.
  • the possible amount of the next adjustment control as assessed in the individual assessments is for all of the air conditioned spaces within the property.
  • the next adjustment control can be performed when all of the air conditioned spaces within the property have been restored. It is thereby possible to perform the next adjustment control after the comfort level in all the air conditioned spaces has been restored. Therefore, after the consumed energy amount adjustment has been performed, an appropriate timing for performing the next consumed energy amount adjustment can be established.
  • the space restoration assessment part performs the individual assessments on the basis of the current temperatures in the air conditioned spaces.
  • next adjustment control can be performed after the current temperatures in the air conditioned spaces have reached a comfortable state. Therefore, after the consumed energy amount adjustment has been performed, an appropriate timing for performing the next consumed energy amount adjustment can be established.
  • the space restoration assessment part performs the individual assessments on the basis of the difference between the current temperatures in the air conditioned spaces and the current set temperatures of the air conditioners in the air conditioned spaces.
  • next adjustment control can be performed after the current temperatures in the air conditioned spaces have reached a comfortable state. Therefore, after the consumed energy amount adjustment has been performed, an appropriate timing for performing the next consumed energy amount adjustment can be established.
  • the space restoration assessment part performs the individual assessments on the basis of the difference between the temperatures in the air conditioned spaces before the start of the adjustment time period and the current temperatures in the air conditioned spaces.
  • next adjustment control can be performed after the current temperatures in the air conditioned spaces have been restored to the temperatures before the start of the adjustment time period. Therefore, after the consumed energy amount adjustment has been performed, an appropriate timing for performing the next consumed energy amount adjustment can be established.
  • the space restoration assessment part performs the individual assessments on the basis of chronological fluctuations in the temperatures in the air conditioned spaces during a time period that starts at the present and ends before a predetermined time period.
  • the timing for performing the next consumed energy amount adjustment can be appropriately established after the adjustment of the consumed energy amount has been performed.
  • the air conditioning control system it is possible to decide the timing for performing the next consumed energy amount adjustment for the entire property in accordance with the restoration conditions of each air conditioned space in the property.
  • FIG. 2 is a schematic configuration diagram of air conditioning control systems 100 which are one example of an air conditioning control system according to the present invention.
  • Air conditioning control systems 100 which are disposed in properties A, B that are premises such as buildings or factories, manage the consumed energy amount of air conditioners 41, ... installed in the properties A, B. Also installed in the properties A, B are power sources 6 for supplying energy to the air conditioners 41, ..., and meters 7 for measuring the energy supplied from the power sources 6 to the air conditioners 41, ...
  • the air conditioning control systems 100, the air conditioners 41, ..., and the meters 7 are connected by a communication network 82 such as a LAN.
  • the air conditioners 41, ... each have a control part, and the air conditioning control systems 100 control each of the air conditioners 41, ... by transmitting commands to the control parts via the communication network 82.
  • the air conditioning control systems 100 are connected via a communication network 81 such as the Internet with an energy management system 90 owned by the power company supplying energy to the properties A, B.
  • the consumed energy amount is the amount of energy that is consumed.
  • the energy is electricity, for example, and the energy amount is electric power expressed in units such as watts, or an electric power amount expressed in units such as watt-hours, for example.
  • the energy management system 90 which is a system configured from one or more computers, manages the energy supplied to the properties A, B by adjusting the supplied amount in response to the demand for energy in a plurality of properties including these properties A, B.
  • Various information pertaining to energy supply and demand is sent and received between the energy management system 90 and the air conditioning control systems 100.
  • the power company sends a demand adjustment request that requests the consumed energy amount to be suppressed, i.e. the energy demand to be adjusted in a predetermined adjustment time period (referred to as the adjustment time period P1 below), from the energy management system 90 to the air conditioning control systems 100 in both properties A, B.
  • the content of the demand adjustment request i.e. the suppression amount of the energy amount consumed by all of the air conditioners 41, ... in both properties A, B, is referred to as the requested suppressed energy amount.
  • the upper limit of the energy amount that can be consumed in order to achieve the requested suppressed energy amount is referred to as the requested energy amount (W1 in FIG. 1 ).
  • the requested suppressed energy amount is a value uniquely established by the power company, there are also cases in which the requested suppressed energy amount is a value established based on a suppressible energy amount sent, or in other words, reported, by the air conditioning control systems 100 to the energy management system 90.
  • FIG 1 is a graph showing the transition over time in the consumed energy amount of all of the air conditioners 41, ... in one property A or B.
  • T0 is the starting time of the adjustment time period PI
  • T1 is the ending time of the adjustment time period PI
  • T2 is the point in time when, after the adjustment time period P1 has ended, the comfort level of the air conditioned spaces is restored.
  • each air conditioning control system 100 Having received a demand adjustment request, each air conditioning control system 100 performs control so that the consumed energy amount of all of the air conditioners 41, ..., which are in the property A or B managed by the air conditioning control system 100 in the adjustment time period P1 (for fifteen minutes starting at 3:00 pm, for example) indicated by the demand adjustment request, goes from 500 kW to 400 kW or less, for example; and the air conditioning control system also performs control so that the consumed energy amount is suppressed by the requested suppressed energy amount (100 kW, for example). Specifically, adjustment control is performed for adjusting the consumed energy amount in the adjustment time period P1 so that the consumed energy amount is kept near the requested energy amount W1.
  • the air conditioners 41, ... comprise various sensors, such as thermistors capable of measuring indoor temperature and outside air temperature.
  • FIG 3 is a schematic configuration diagram of an air conditioning control system 100.
  • the air conditioning control system 100 comprises a communication apparatus 110, a control apparatus 120, and an assessment apparatus 130.
  • the communication apparatus 110, the control apparatus 120, and the assessment apparatus 130 are connected by the communication network 82 such as a LAN.
  • the detailed configuration of the air conditioning control system 100 is described below. Because the air conditioning control system 100 installed in the property A and the air conditioning control system 100 installed in the property B have the same configuration, the air conditioning control system 100 installed in the property A in FIG. 2 is described from here on unless otherwise specified.
  • the communication apparatus 110 is an apparatus for sending and receiving various information, such as the demand adjustment request, to and from the energy management system 90.
  • FIG. 4 is a schematic configuration diagram of the communication apparatus 110.
  • the communication apparatus 110 has primarily a communication part 111, a control part 112, and a storage part 113, as shown in FIG 4 .
  • the communication part 111 is an interface capable of connecting the communication apparatus 110 with communication networks 81, 82 that use Ethernet (a registered trademark) or the like.
  • the storage part 113 is composed primarily of RAM, ROM, a hard disk, and the like, and the storage part 113 stores various information such as programs for the communication apparatus.
  • the control part 112 which is composed primarily of a CPU, executes programs for the communication apparatus stored in the storage part 113. By executing programs for the communication apparatus, the control part 112 functions as a request receiving part 112a, a notification part 112b, and the like.
  • the request receiving part 112a receives demand adjustment requests from the energy management system 90. Specifically, demand adjustment requests received by the communication part 111 from the energy management system 90 via the communication network 81 are stored in the storage part 113.
  • the notification part 112b creates a message informing the energy management system 90 that the next adjustment control can be executed, and the communication part 111 sends this message to the energy management system 90 via the communication network 81.
  • FIG. 5 is a schematic configuration diagram of the control apparatus 120.
  • the control apparatus 120 is an apparatus for controlling the air conditioners 41, ..., and is connected with the air conditioners 41, ... via the communication network 82 such as a LAN.
  • the control apparatus 120 has primarily a communication part 121, a timer part 122, a control part 123, and a storage part 124, as shown in FIG. 5 .
  • the communication part 121 is an interface capable of connecting the control apparatus 120 with the communication networks 81, 82 which use Ethernet (a registered trademark) or the like.
  • the timer part 122 measures temporal elements such as the time, day, month, year, day of the week, and elapsed time duration based on a predetermined time.
  • the storage part 124 is composed primarily of RAM, ROM, a hard disk, and the like, and the storage part 124 stores various information such as programs for the control apparatus.
  • the control part 123 which is composed primarily of a CPU, executes programs for the control apparatus stored in the storage part 124. By executing programs for the control apparatus, the control part 123 functions as an adjustment control part 123a, an operating condition perceiving part 123b, a meter value acquisition part 123c, and the like.
  • control part 123 The functions of the control part 123 are described below.
  • the operating condition perceiving part 123b collects information pertaining to the operating condition of the air conditioners 41, ... at predetermined time intervals (every five minutes, for example). Specifically, the operating condition perceiving part 123b acquires information pertaining to the operating condition of the air conditioners 41, ... from the air conditioners 41, ..., and stores this information as operating condition information 143a in the storage part 124. Components such as the adjustment control part 123a refer to the operating condition information 143a stored in the storage part 124 when needing information pertaining to the operating condition of the air conditioners 41, ...
  • the meter value acquisition part 123c acquires a meter value (data pertaining to the consumed energy amount) measured by the meter 7.
  • the meter value acquisition part 123c causes the storage part 124 to store this meter value as meter information 143b, in correlation with the air conditioners 41, ...
  • Components such as the adjustment control part 123a refer to the meter information 143b stored in the storage part 124 when needing information pertaining to the data pertaining to the consumed energy amount of the air conditioners 41, ...
  • the adjustment control part 123a performs adjustment control on the air conditioners 41, ...
  • Adjustment control is a control for controlling the air conditioners 41, ... so as to suppress the consumed energy amount of all of the air conditioners 41, ... and to suppress rapid increases in the consumed energy amount of the air conditioners after the adjustment request time period.
  • the consumed energy amount of the air conditioners 41, ... is suppressed in the adjustment time period P1 so that the requested suppressed energy amount can be achieved according to the demand adjustment request.
  • suppression of the consumed energy amount is performed by limiting the operating capability of each air conditioner 41, ... in the adjustment time period P1.
  • To limit the operating capability is to stop the compressors or reduce the rotational speed of the compressors in the case of air conditioners 41, ... capable of air-cooling and air-warming operations, or to stop the ventilation function or reduce the frequency of ventilation in the case of air conditioners 41, ... having a ventilation function, for example.
  • the adjustment control part 123a controls each of the air conditioners 41, ... by transmitting a command to the control part of each air conditioner 41, ... via the communication network 82.
  • FIG. 6 is a schematic configuration diagram of the assessment apparatus 130.
  • the assessment apparatus 130 is an apparatus for assessing whether or not the next adjustment control can be performed after the adjustment time period P1 on the basis of environmental parameters in the air conditioned space, and is connected with each air conditioner 41, ... via the communication network 82 such as a LAN.
  • the assessment apparatus 130 has primarily a communication part 131, a control part 133, and a storage part 134, as shown in FIG. 6 .
  • the communication part 131 is an interface capable of connecting the assessment apparatus 130 with the communication networks 81, 82 which use Ethernet (a registered trademark) or the like.
  • the storage part 134 is composed primarily of RAM, ROM, a hard disk, and the like, and the storage part stores various information such as programs for the assessment apparatus.
  • the control part 133 which is composed primarily of a CPU, executes programs for the assessment apparatus stored in the storage part 134. By executing programs for the assessment apparatus, the control part 133 functions as a space restoration assessment part 133a, a property restoration assessment part 133b, and the like.
  • control part 133 The functions of the control part 133 are described below.
  • the space restoration assessment part 133a makes individual assessments, which are assessments of the adjustment possible amount in the next adjustment control, for each of the air conditioned spaces on the basis of environmental parameters.
  • the environmental parameters are the temperatures in the air conditioned spaces (referred to as indoor temperatures below) and the like.
  • the values of environmental parameters such as temperature are not limited to current values, and include past values as well. The details of the individual assessments are described below.
  • the property restoration assessment part 133b makes an overall assessment, which is an assessment of the adjustment possible amount in the next adjustment control, for the entire property A.
  • the property restoration assessment part 133b performs the overall assessment on the basis of the individual assessments of the space restoration assessment part 133a. The details of the overall assessment are described below.
  • FIG. 7 is a flow chart of the adjustment control performed by the air conditioning control system 100, and the control pertaining to the restoration assessments for the property A and the air conditioned spaces in the property A until the next adjustment control is performed. This control flow is described below with reference to FIG. 7 .
  • the control flow begins when the air conditioning control system 100 receives a demand adjustment request from the energy management system 90.
  • the request receiving part 112a stores the demand adjustment request in the storage part 113.
  • the request receiving part 112a transmits the demand adjustment request, along with a message stating that the demand adjustment request has been received, to the control apparatus 120 via the communication part 111.
  • the control apparatus 120 receives this message, the following control flow is initiated.
  • step S101 when the adjustment time period P1 arrives, adjustment control is executed on the air conditioners 41, ... by the adjustment control part 123a until the adjustment time period P1 ends.
  • adjustment control ends i.e. when the adjustment time period P1 ends, the control flow proceeds to step S102.
  • step S102 after a predetermined time period (five minutes, for example) has elapsed, individual assessments are performed by the space restoration assessment part 133a on each of the air conditioned spaces of the air conditioners 41, ...
  • step S103 an overall assessment is performed by the property restoration assessment part 133b on the entire property A.
  • the control flow proceeds to the next step S104.
  • the control flow returns to step S102.
  • step S104 a message informing the energy management system 90 that the next adjustment control can be executed is created by the notification part 112b of the communication apparatus 110, and the communication part 111 transmits this message to the energy management system 90 via the communication network 81.
  • the individual assessments are performed based on the temperatures in the air conditioned spaces, i.e. the indoor temperatures. Specifically, any of the following three assessment methods given in the table of FIG. 8 are used. These are assessment methods based primarily on current indoor temperature. Which assessment method is used is set in advance by an operator of the air conditioning control system 100, for example.
  • the first assessment method assesses the adjustment possible amount in the next adjustment control of the air conditioned space on the basis of current indoor temperature. Specifically, depending on whether the operation is air-cooling or air-warming, this method assesses the adjustment possible amount either according to whether or not the indoor temperature exceeds a predetermined reference value and the extent to which it does so, or according to whether or not the indoor temperature falls below a predetermined reference value and the extent to which it does so. For example, if the indoor temperature during air-cooling exceeds 26°C by 1°C, it is assessed that a 30% adjustment is possible in the next adjustment control for that air conditioned space. If the indoor temperature exceeds 26°C by 10°C, it is assessed that the adjustment possible amount is 0%, i.e. that space is not restored and the next adjustment control is not possible. Predetermined reference values for both air-cooling and air-warming are stored in the storage part 134.
  • the second assessment method assesses the adjustment possible amount in the next adjustment control on the basis of the difference between the current indoor temperature and the current set temperature of the air conditioners. Specifically, the adjustment possible amount in the next adjustment control of that space is assessed based on the difference between the current indoor temperature and the current set temperature of the air conditioners. For example, if the difference between the current indoor temperature and the current set temperature of the air conditioners is 1°C, it is assessed that a 30% adjustment is possible in the next adjustment control for that air conditioned space. If the difference between the current indoor temperature and the current set temperature of the air conditioners exceeds a predetermined range (within 5°C, for example), it is assessed that the adjustment possible amount is 0%, i.e. that space is not restored and the next adjustment control is not possible.
  • the predetermined range (5°C, for example) is stored in the storage part 134.
  • the third assessment method assesses the adjustment possible amount in the next adjustment control of the air conditioned space on the basis of the difference between the indoor temperature before the start of the adjustment time period P1 and the current indoor temperature. For example, if the difference between the indoor temperature before the start of the adjustment time period P1 and the current indoor temperature is 1°C, it is assessed that a 30% adjustment is possible in the next adjustment control for that air conditioned space. If the difference between the indoor temperature before the start of the adjustment time period P1 and the current indoor temperature exceeds a predetermined range (within 5°C, for example), it is assessed that the adjustment possible amount is 0%, i.e. that space is not restored and the next adjustment control is not possible.
  • the predetermined range (5°C, for example) is stored in the storage part 134.
  • the property restoration assessment part 133b assess the adjustment possible amount of the entire property A in the next adjustment control on the basis of the adjustment possible amounts assessed by the individual assessments for all of the air conditioned spaces in the property A.
  • the adjustment possible amount for the entire property A is assessed to be 0%, and it is assessed that the environment of the property A has not been restored. In all other cases, it is assessed that the entire property A has been restored.
  • the adjustment possible amount of the entire property A is calculated by totaling the adjustment possible amounts of all the air conditioned spaces in the property A.
  • the assessment apparatus 130 assesses the adjustment possible amount in the next adjustment control after the adjustment time period PI, on the basis of environmental parameters (temperature) of the air conditioned space.
  • the timing when adjustment control will next be performed can thereby be decided according to the restoration condition of the air conditioned space. Therefore, the timing of performing the next consumed energy amount adjustment can be appropriately established after an adjustment has been performed on the consumed energy amount of all of the air conditioners 41, ... As a result, adjustment control is continuously performed while the air conditioned space remains unrestored, whereby degradation of the comfort level of the property A can be suppressed.
  • the adjustment possible amount in the next adjustment control is assessed based on at least the temperature in the air conditioned space. Specifically, it is assessed whether or not the temperature in the air conditioned space has been restored to a comfortable level. It is thereby possible, after the consumed energy amount adjustment has been performed, to appropriately establish the timing for performing the next consumed energy amount adjustment.
  • the space restoration assessment part 133a when there are a plurality of air conditioned spaces, the space restoration assessment part 133a performs individual assessments, which are assessments of the adjustment possible amount of the next adjustment control, for each of the air conditioned spaces. Based on the individual assessments, the property restoration assessment part 133b performs an overall assessment, which is an assessment of the adjustment possible amount of the next adjustment control, for the entire property A. It is thereby possible to decide the timing for performing the next adjustment control for the entire property A in accordance with the restoration conditions of each air conditioned space in the property A.
  • the adjustment possible amount of the entire property in the next adjustment control is assessed based on the adjustment possible amounts of all the air conditioned spaces in the property A. It is thereby possible to perform the next adjustment control after the comfort level has been restored in all the air conditioned spaces. Therefore, after a consumed energy amount adjustment has been performed, the timing for performing the next consumed energy amount adjustment can be appropriately established.
  • the adjustment possible amount is assessed based on the current temperature in the air conditioned space. Otherwise, the adjustment possible amount is assessed based on the current temperature in the air conditioned space and the temperature prior to the start of the adjustment time period. Therefore, after a consumed energy amount adjustment has been performed, the timing for performing the next consumed energy amount adjustment can be appropriately established.
  • the air conditioning control system 100 which comprises a communication apparatus 110, a control apparatus 120, and an assessment apparatus 130, is configured from a plurality of apparatuses. In another embodiment, however, all the functions of the communication apparatus 110, the control apparatus 120, and the assessment apparatus 130 may be consolidated into a single apparatus, and the air conditioning control system 100 may be configured from a single apparatus.
  • the number of apparatuses constituting the air conditioning control system 100 is also not limited to three or one, and may be increased or decreased as appropriate.
  • the space restoration assessment part 133a assesses the adjustment possible amount of each air conditioned space on the basis of factors such as the current indoor temperature. In another embodiment, however, the space restoration assessment part 133a may assess the adjustment possible amount of each air conditioned space on the basis of chronological fluctuations in the indoor temperature.
  • the adjustment possible amount is assessed based on an integral value of the portion A1 in which the indoor temperature is at or below a reference value S. If this integral value is not within a predetermined range, the adjustment possible amount of the air conditioned space is assessed to be 0%.
  • the integral value of the portion A4 in which the indoor temperature is at or below a reference value S and the integral value of the portion A3 exceeding the reference value S are compared, and the adjustment possible amount is assessed based on the difference between the integral value of the portion A4 at or below the reference value S and the integral value of the portion A3 exceeding the reference value S.
  • the adjustment possible amount is assessed based on the difference between the integral value of the portion A3 exceeding the reference value S and the integral value of the portion A4 at or below the reference value S.
  • an air conditioned space may be assessed to be restored when it is assessed that there is a suppressible energy amount within a range that does not create disadvantage, even if the air conditioned space has not been 100% restored.
  • the aforementioned predetermined ranges and the reference value S may be stored in advance in the storage part 134.
  • the property restoration assessment part 133b assesses that the entire property A has been restored and assesses the next adjustment possible amount. In another embodiment, however, it may be assessed that the property A has been restored upon the clearing of a predetermined condition determined from the convenience of the property A, or in other words, the adjustment possible amount in the next adjustment control may be assessed.
  • the property restoration assessment part 133b may, for example, assess that the next adjustment control may be performed and may assess the adjustment possible amount for the entire property if the individual assessments find that the adjustment possible amount is greater than 0% for a predetermined percentage (e.g. 75%) of the air conditioned spaces in the property A. In the example shown in FIG. 9 , three out of four air conditioned spaces have been restored (i.e. 75% have been restored), and the property restoration assessment part 133b therefore assesses that the next adjustment control can be performed.
  • a predetermined percentage e.g. 75%)
  • the property restoration assessment part 133b may also, for example, assess that the next adjustment control may be performed and may assess the adjustment possible amount for the property A if the individual assessments find that the adjustment possible amount is greater than 0% for air conditioned spaces that have a high priority among the air conditioned spaces in the property A. In the example shown in FIG. 9 , the space D, which has high priority, is not yet restored, and the property restoration assessment part 133b therefore assesses that the next adjustment control cannot yet be performed.
  • the aforementioned predetermined percentage or the priority of the air conditioned spaces in the property A may be stored in advance in the storage part 134.
  • the adjustment time period P1 is a time period specified by the demand adjustment request from the energy management system 90. In another embodiment, however, the adjustment time period P1 may be a time period decided by the air conditioning control system 100. In this case, the adjustment control part 123a of the control apparatus 120 designates a time period stored in advance in the storage part 124 as the adjustment time period PI, for example. The adjustment time period P1 may also be decided based on the operating condition of the air conditioners 41, ...
  • the adjustment control part 123a may also initiate adjustment control after a predetermined time duration (five minutes, for example) has elapsed after the request receiving part 112a receives a demand adjustment request from the energy management system 90, and the adjustment control part may end adjustment control when a signal informing that the adjustment time period P1 has ended is received from the energy management system 90.
  • the air conditioning control system 100 performs adjustment control for suppressing the consumed energy amount of all of the air conditioners 41, ... when a demand adjustment request has been transmitted from the energy management system 90.
  • the air conditioning control system 100 may perform adjustment control for suppressing the consumed energy amount of all of the air conditioners 41, ... in order to adapt to events such as fluctuations in the energy unit price or increases in the consumed energy amount. For example, during the daytime when energy supply and demand becomes strained (from 1:00 pm to 3:00 pm, for example), when the energy unit price is set comparatively higher than other time ranges, the control apparatus 120 performs control for suppressing the consumed energy amount of all of the air conditioners 41, ...
  • the adjustment control part 123a performs adjustment control.
  • adjustment control may be performed in a predetermined time period (the adjustment time period PI) when the consumed energy amount of all of the air conditioners 41, ... greatly increases beyond a predetermined range, regardless of whether or not there are fluctuations in the energy unit price depending on the time range.
  • the communication apparatus 110 is not necessary, and the control flow shown in FIG 7 may be modified to the control flow of FIG. 11 .
  • the control flow may be repeated starting at step S101.
  • the present invention can be applied to an air conditioning control system for suppressing the consumed energy amount.
  • Patent Literature 1 Japanese Laid-open Patent Application No. 2011-193577

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Power Engineering (AREA)
  • Mathematical Physics (AREA)
  • Fuzzy Systems (AREA)
  • Signal Processing (AREA)
  • Automation & Control Theory (AREA)
  • General Physics & Mathematics (AREA)
  • Air Conditioning Control Device (AREA)

Claims (7)

  1. Système de régulation de la climatisation (100) pour ajuster une quantité d'énergie consommée par des climatiseurs (41, .....) installés dans un immeuble (A, B) au cours d'une période de réglage (P1) en fonction d'une requête de réglage de la demande, le système de régulation de la climatisation (100) comprenant :
    un appareil de régulation (120) pour l'exécution de commandes de réglage, comprenant une première commande de réglage et une commande de réglage suivante pour la régulation des climatiseurs en limitant une capacité opérationnelle de chaque climatiseur, de sorte que la quantité d'énergie consommée des climatiseurs soit ajustée au cours de la période de réglage, l'appareil de régulation (120) possédant un élément de communication (121), un élément de minuterie (122), un élément d'acquisition de la valeur de compteur (123c), acquérant des données relatives à la quantité d'énergie consommée, et un élément de stockage (124) ; et
    un appareil d'évaluation (130) pour évaluer, au bout de la période de réglage, une quantité éventuelle de la commande de réglage suivante en fonction d'un ou plusieurs paramètres environnementaux d'un espace climatisé, lesdits un ou plusieurs paramètres environnementaux comprenant une température dans l'espace climatisé, l'appareil d'évaluation (130) possédant :
    un élément d'évaluation de restauration d'espace (133a) pour effectuer des évaluations individuelles, à savoir des évaluations de la quantité possible de commandes de réglage suivantes sur la base de l'un ou plusieurs paramètres environnementaux pour chaque espace climatisé lorsque l'immeuble comprend une pluralité d'espaces climatisés ; et
    un élément d'évaluation de restauration de l'immeuble (133b) pour effectuer une évaluation globale, à savoir une évaluation de la quantité possible de la commande de réglage suivante pour l'immeuble entier ; et
    l'élément d'évaluation de restauration de l'immeuble effectuant l'évaluation globale sur la base des évaluations individuelles ;
    dans lequel
    l'appareil de régulation (120) est configuré pour limiter la capacité opérationnelle, à savoir l'arrêt d'un compresseur du climatiseur ou la réduction d'une vitesse de rotation du compresseur, en fonction de la quantité possible de la commande de réglage suivante évaluée par l'appareil d'évaluation (130),
    l'élément d'évaluation de restauration d'espace effectuant les évaluations individuelles en fonction de la différence entre les températures dans les espaces climatisés avant le début de la période de réglage et les températures actuelles dans les espaces climatisés.
  2. Système de régulation de la climatisation (100) selon la revendication 1, dans lequel
    l'élément d'évaluation de restauration de l'immeuble évalue, dans l'évaluation globale, la quantité possible de commandes d'ajustement suivantes, en fonction de la quantité possible de commandes d'ajustement suivantes pour les espaces climatisés faisant l'objet d'une haute priorité dans l'immeuble, de la façon évaluée dans les évaluations individuelles.
  3. Système de régulation de la climatisation (100) selon la revendication 1, dans lequel
    l'élément d'évaluation de restauration de l'immeuble évalue, dans l'évaluation globale, la quantité possible de commandes d'ajustement suivantes, en fonction de la quantité possible de commandes de réglage suivantes pour un pourcentage prédéterminé des espaces climatisés dans l'immeuble, de la façon évaluée dans les évaluations individuelles.
  4. Système de régulation de la climatisation (100) selon la revendication 1, dans lequel
    l'élément d'évaluation de restauration de l'immeuble évalue, dans l'évaluation globale, la quantité possible de commandes de réglage suivantes, en fonction de la quantité possible de la commande de réglage suivante pour tous les espaces climatisés dans l'immeuble, de la façon évaluée dans les évaluations individuelles.
  5. Système de régulation de la climatisation (100) selon une quelconque des revendications 1 à 4, dans lequel
    l'élément d'évaluation de restauration d'espace effectue les évaluations individuelles en fonction des températures actuelles dans les espaces climatisés.
  6. Système de régulation de la climatisation (100) selon une quelconque des revendications 1 à 4, dans lequel
    l'élément d'évaluation de restauration d'espace effectue les évaluations individuelles sur la base de la différence entre les températures actuelles dans les espaces climatisés et des températures établies actuelles des climatiseurs dans les espaces climatisés.
  7. Système de régulation de la climatisation (100) selon une quelconque des revendications 1 à 4, dans lequel
    l'élément d'évaluation de restauration d'espace effectue les évaluations individuelles en fonction de fluctuations chronologiques dans les températures dans les espaces climatisés actuels au cours d'une période commençant à l'heure actuelle et se terminant avant une période prédéterminée.
EP12865567.7A 2012-01-17 2012-10-22 Système de commande de conditionnement d'air Active EP2806227B1 (fr)

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JP2012006969A JP2013148232A (ja) 2012-01-17 2012-01-17 空調制御システム
PCT/JP2012/077201 WO2013108457A1 (fr) 2012-01-17 2012-10-22 Système de commande de conditionnement d'air

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JP (1) JP2013148232A (fr)
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CN111089347B (zh) * 2018-10-24 2022-08-19 青岛海尔空调器有限总公司 一种智能家居系统

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EP2806227A1 (fr) 2014-11-26
US20140336825A1 (en) 2014-11-13
JP2013148232A (ja) 2013-08-01
US9890968B2 (en) 2018-02-13
ES2800051T3 (es) 2020-12-23
EP2806227A4 (fr) 2016-01-20
WO2013108457A1 (fr) 2013-07-25

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